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Aluminum matrix composite material

An aluminum-based composite material and aluminum alloy technology, applied in the field of aluminum alloy, can solve the problems of difficulty in maintaining the strength of the composite material and the shape change of the reinforcing material, and achieve the effect of inhibiting embrittlement and improving performance

Inactive Publication Date: 2016-03-23
重庆重通成飞新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the reinforcing material reacts chemically with the elements in the metal material, the shape of the reinforcing material will change, making it difficult to maintain the strength as a composite material

Method used

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Embodiment Construction

[0009] An aluminum-based composite material is an aluminum-based composite material that uses an aluminum alloy as a base material and contains a reinforcement material of alumina particles and alumina fibers in the base material. The aluminum-based composite material includes the reinforcement formed on the A spinel layer on the surface of the material and an aluminum nitride layer formed on the surface of the spinel layer; an auxiliary spinel layer is also formed between the surface of the reinforcing material and the spinel layer; the aluminum oxide particles and the aluminum oxide The volume ratio of the fibers is 5:1; the thickness of the auxiliary spinel layer is 3%-4% of the average diameter of the reinforcing material; the thickness of the spinel layer is 4 times the thickness of the auxiliary spinel layer; An aluminum nitride layer is also formed on the outer surface of the spinel layer.

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Abstract

The invention relates to an aluminum matrix composite material. According to the aluminum matrix composite material, aluminum alloy serves as parent metal, and the parent metal comprises a reinforcing material containing aluminum oxide particles and aluminum oxide fibers. The aluminum matrix composite material comprises a spinel layer formed on the surface of the reinforcing material and an aluminum nitride layer formed on the surface of the spinel layer. An auxiliary spinel layer is further formed between the surface of the reinforcing material and the spinel layer.

Description

technical field [0001] The invention belongs to the field of aluminum alloys, and specifically refers to an aluminum-based composite material containing reinforcing materials in an aluminum alloy base material. Background technique [0002] In order to improve the properties of a metal material, a composite material in which a reinforcing material is contained in a base metal material is used. Among the composite materials, there is an aluminum-based composite material in which the base material is aluminum and the reinforcing material is alumina particles. [0003] In the aluminum matrix composite material, the reinforcing material contained in the metal material may chemically react with the elements in the metal material. When the reinforcing material reacts chemically with the elements in the metal material, the shape of the reinforcing material changes, making it difficult to maintain the strength as a composite material. Contents of the invention [0004] The purpo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C49/06C22C49/14C22C47/04C22C101/04
CPCC22C49/06C22C47/04C22C49/14
Inventor 刘照萍
Owner 重庆重通成飞新材料有限公司